Practical guides on using AI in your business.
Short, practical write-ups on which tool fits which job, how to set it up, and where AI is worth it.
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34 guides, newest first.
AI Tools
The Loop That Improves Itself: LoRA Fine-Tuning on Your Agent's Real Failures
The loop that improves itself: turn an agent's flagged failures into training data for a small, LoRA fine-tuned model, at NVIDIA's own numbers.
9 min readSeptember 29, 2026Read the guideCognitive Architectures for AI Agents: ReAct, Reflexion, and Plan-and-Execute
Cognitive architectures for AI agents: what ReAct, Reflexion, and plan-and-execute add, and what Google DeepMind and Shopify found when each goes wrong.
8 min readSeptember 23, 2026Read the guideMulti-Tenant AI Systems: What Breaks When You Add Customers
What breaks when a multi-tenant AI product gets its second customer, in the specific places six companies already measured and fixed.
7 min readSeptember 22, 2026Read the guideRAG Confidence Thresholds: When an AI Should Say I Don't Know
No company publishes its RAG abstention rate. I cover the confidence threshold mechanism here, and how to set your own.
7 min readSeptember 21, 2026Read the guideMCP Permissions: Giving an Agent Read and Write Access to a Database
A tool labeled read-only in MCP can still write. What enforces read and write access for an agent on a database or an API, and what only claims to.
7 min readSeptember 18, 2026Read the guideWatching a System You Cannot See: Setting an OpenTelemetry SLO
An AI feature can look fine and still fail for users who never complain. Honeycomb's own SLO and OpenTelemetry's GenAI fields catch it first.
7 min readSeptember 16, 2026Read the guideWhat Parallel AI Agents Cannot See, and How to Fix It
Anthropic ran 16 coding agents on one bug and they kept overwriting each other. The mechanism, and the two fixes for a silent overwrite.
8 min readSeptember 15, 2026Read the guideI Built a Knowledge Graph Next to My Vector Search
A knowledge graph and a vector search answer different questions. How I built a graph next to my vector search, and the query that shows which one you need.
15 min readSeptember 14, 2026Read the guideAI Dialog State: How Chatbots Remember What You Said Mid-Conversation
Dialog state is how a chatbot remembers earlier turns. How Character.AI caches it cheaply, and why more history alone does not make replies reliable.
7 min readSeptember 14, 2026Read the guideServing an AI Agent to Real People: What Breaks in Production
LangChain retired LangServe and said why. What a request-response wrapper hides once real users show up, and what a serving layer has to guarantee instead.
8 min readSeptember 11, 2026Read the guideHow to Evaluate an AI Agent Without Fine-Tuning Anything
How to grade an AI agent with a calibrated LLM judge, Cohen's kappa, and a pass@k reliability check, with no training run needed.
7 min readSeptember 9, 2026Read the guideAI Agent Routing: How Systems Send Work to the Right Specialists
AI agent routing makes one decision, cheaply: which specialist sees a job. Uber, RouteLLM, and Klarna show what getting that right, and wrong, costs.
8 min readSeptember 4, 2026Read the guideAI Structured Output: How to Stop Malformed JSON From Agents
A model's structured output looks fine until something downstream tries to read it. Here's what LinkedIn and Ramp built to catch it first.
8 min readSeptember 3, 2026Read the guideHow to Choose a Retrieval Cutoff
A practical way to set the similarity floor for RAG: real questions, source checks, ranked scores, and a refusal rule.
6 min readAugust 21, 2026Read the guideHow I Built a Multi-Agent AI System for My Small Business
Currently, there are nine agents helping me run my LLC with LangGraph approval gates, one Postgres database with vector search, and an MCP tool bridge.
16 min readAugust 19, 2026Read the guideThe AI Builder Stack, Translated: LangChain, LangGraph, CrewAI, n8n
Your proposal says LangChain, LangGraph, CrewAI, n8n, MCP, Streamlit. What each one is, when it is overkill, and what to ask before you sign.
14 min readAugust 18, 2026Read the guideAI Agents vs. Prompts: When to Use Each, and When Not To
Use one prompt for single-step work you can check yourself. Use AI agents when the next step depends on what the model finds. Here is how I decide.
19 min readAugust 13, 2026Read the guideI Graded My World Cup Model Against the Bookmakers
I built a football prediction model and graded every call against the closing line, on paper, before it ever touched money. Here is the scorecard.
5 min readAugust 9, 2026Read the guideHow RAG Answers From Your Own Documents
Learn how RAG searches your documents, where retrieval breaks, and how to choose chunks, embeddings, and a similarity floor.
17 min readAugust 8, 2026Read the guide6 AI Buzzwords, Translated: Remember When ETL Became dbt?
Six AI words you keep hearing: agentic, RAG, context window, embeddings, MCP, hallucination. Here is what each one did inside an AI office I run.
13 min readAugust 7, 2026Read the guideThe Best AI Tool for Each Small-Business Job (Not Just ChatGPT)
ChatGPT isn't always the right AI for the job. Here's when to use Claude for copy and Perplexity for research, with free options for all three.
8 min readJune 3, 2026Read the guide
Analytics
Three AI Checks That Replace Three Expensive Money Guesses
Three AI checks you can run this week on your bookkeeping, your cash months, and your ad copy, and what each one is good at catching.
7 min readJune 30, 2026Read the guideWhy Your Sales Dashboards Disagree and How to Fix It
Meta, Google, and your store all report different sales. Here is how to build one honest view of where your revenue really comes from.
8 min readJune 28, 2026Read the guideFour Free Tools That Show Where Your Sales Come From
Four free tools that show which ads, pages, and products make you money, and how to read them once they are set up.
8 min readJune 4, 2026Read the guide
Website
Check Your Website Works Before You Buy More Traffic
Paying for ads to a broken or slow site just leaks money. Five free checks for broken links, speed, mobile, and search before you spend more.
8 min readJune 18, 2026Read the guideHow to Find Out Why Visitors Leave Your Website
Your analytics show people leaving but never why. Use free tools and AI to watch where visitors get stuck, then fix what is costing you sales.
7 min readJune 12, 2026Read the guideHow to Review Your Website With AI and Find Lost Sales
Your website looks fine to you, but visitors get confused and leave. Use AI to find what is costing you sales, with six checks you can run today.
8 min readJune 5, 2026Read the guide
More guides
EU AI Act Article 50: What You Have to Disclose
Article 50 of the EU AI Act applies from 2 August 2026. Most of what it requires is your vendor’s job. Here is the narrow part that falls on you.
8 min readAugust 7, 2026Read the guideYour Reviews Already Told You What Your Customers Want: How to Read Them With AI
Paste your reviews into ChatGPT or Claude and get a pattern map in seconds. Two simple plays to understand your customers using data you already have.
5 min readJuly 6, 2026Read the guideHow to Set Up an AI Agent to Watch Your Store
Hand your weekly store checks to an AI workflow that runs them on a schedule and emails you one short summary, so you find problems the week they start.
8 min readJune 26, 2026Read the guideThree Free Tools That Fix Three Content Bottlenecks Without Burning You Out
Fix clunky writing, turn one video into a week of posts, and study competitors fast. Three free tools for the three places content work stalls.
8 min readJune 4, 2026Read the guide
From the archive
Earlier posts from 2025, updated for what has changed since.
AI Marketing Operations: Where the Real Payoff Is in 2026
AI marketing operations is the automation, lead scoring, and budget calls behind your content. Here is what pays back in 2026 and what to build first.
9 min readJuly 19, 2025Read the guide5 Notion AI Tips for Small Business Productivity
Notion AI changed a lot since 2025. Here's what it costs now, what's free, and 5 ways to use it in a small business without wasting money.
8 min readJune 19, 2025Read the guideHubSpot vs Sprout Social: Which Social Media Tool Fits Your Business in 2026
Confused by HubSpot vs Sprout Social pricing? Real 2026 costs for both, plus two cheaper picks, so you choose the right tool for your team.
8 min readJune 7, 2025Read the guide
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